Esperite and Ruby Optical Properties

Esperite

Ruby

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1 Optical Properties

1.1 Luster

Vitreous

Vitreous, Adamantine, Vitreous, Adamantine

1.2 Pleochroism

colorless.

Strong: purplish-red

1.3 Dispersion

NA0.02

0.007 1

1.4 Transparency

OpaqueAnthony et al, Opaque, Transparent

Transparent, Translucent, Transparent to opaque

1.5 Refractive Index

1.760-1.7741.762-1.778

1 3.25

1.6 Optic Character

Not Available

1.7 Crystal System

monoclinic

Trigonal

1.8 Birefringence

0.0120.008

0 0.296

1.9 Clarity

OpaqueAnthony et al

Transparent

Esperite and Ruby Optic Character

Esperite and Ruby optical properties play a significant role while distinguishing these gemstones from each other. These properties are influenced by the Esperite and Ruby Physical Properties like crystallographic symmetry, pleochroism,etc. in the crystal. Some of the optical properties are refractive index, luster, optic character, pleochroism etc. Prominent among these is Esperite and Ruby optic character. You might have noticed your gemologist rotating the gemstone while testing it. Rotating a gemstone along its optic axis helps in determining its optic character.

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Esperite and Ruby Transparency

Similar to their colors, Esperite and Ruby transparency can also be used as criteria for their primary identification. Although transparency cannot be the only criteria for gemstone identification, it can efficiently used in gemstone grading. Talking about their transparency, Esperite is Opaque, OpaqueAnthony et al and Transparent while Esperite is Opaque, OpaqueAnthony et al and Transparent in appearance.